196009903 has 2 divisors, whose sum is σ = 196009904. Its totient is φ = 196009902.

The previous prime is 196009829. The next prime is 196009939. The reversal of 196009903 is 309900691.

It is a strong prime.

It is an emirp because it is prime and its reverse (309900691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196009903 - 2²⁵ = 162455471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196009943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98004951 + 98004952.

It is an arithmetic number, because the mean of its divisors is an integer number (98004952).

Almost surely, 2^196009903 is an apocalyptic number.

196009903 is a deficient number, since it is larger than the sum of its proper divisors (1).

196009903 is an equidigital number, since it uses as much as digits as its factorization.

196009903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 196009903 is about 14000.3536741041. The cubic root of 196009903 is about 580.8883562537. Note that the first 3 decimals are identical.

The spelling of 196009903 in words is "one hundred ninety-six million, nine thousand, nine hundred three".